usb: typec: tcpm/tcpci_maxim: use GENMASK() for TCPC_VENDOR_CC_CTRL2 register

usb: typec: tcpm/tcpci_maxim: use GENMASK() for TCPC_VENDOR_CC_CTRL2 register

Convert register TCPC_VENDOR_CC_CTRL2 to using GENMASK() and
FIELD_PREP() so as to keep using a similar approach throughout the code
base and make it arguably easier to read.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240710-tcpc-cleanup-v1-11-0ec1f41f4263@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>